Zafer، M. I.، و Schuler، E. A. (1971). AN INVESTIGATION OF FACTORS WHICH ARE ASSOCIATED WITH ENROLLMENT AND NON-ENROLLMENT IN TEACHER EDUCATION PROGRAMS OF PUBLIC SECONDARY EDUCATION IN SAUDI ARABIA (رسالة دكتوراه غير منشورة). Michigan State University، إيست لانسنغ. مسترجع من http://search.mandumah.com/Record/613242
Zafer، Mohammad Ismail، و Edgar A. Schuler. "AN INVESTIGATION OF FACTORS WHICH ARE ASSOCIATED WITH ENROLLMENT AND NON-ENROLLMENT IN TEACHER EDUCATION PROGRAMS OF PUBLIC SECONDARY EDUCATION IN SAUDI ARABIA" رسالة دكتوراه. Michigan State University، إيست لانسنغ، 1971. مسترجع من http://search.mandumah.com/Record/613242